Effect of environmental factors on oospores shedding and diurnal periodicity in Sargassum vulgare C.Agardh. along the Visakhapatnam coastline, east coast of India
Journal Title: Scholars Academic Journal of Biosciences - Year 2014, Vol 2, Issue 10
Abstract
Sargassum vulgare C.Ag. was observed in Jodugullapalem of Visakhapatnam coast and brown alga was studied in respect of effect of environmental factors such as desiccation, salinity, Photon flux density, temperature, photoperiod and also on diurnal periodicity during December, 1995 to May, 1998. Maximum number of oospores were released when fronds were in submerged condition, exposed to dark condition and at 30 ‰ salinity, 9µEm-2s-1 Photon flux density, 25oc temperature, Photoperiod 12:12(L-D cycle). In the present study neither acceleration nor delay in the peak shedding of oospores in S.vulgare was found 2:00-6:00 hours.
Authors and Affiliations
Appa Rao, D, Padal, S. B, Subbarangaiah, G
Keywords
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